en
Operatinginstructions
8078141
2017-09c
[8068109]
Flow Sensor
SFAM
Page 1: ...en Operating instructions 8078141 2017 09c 8068109 Flow Sensor SFAM...
Page 2: ...injuries Caution Hazards that can cause minor injuries Other symbols Note Material damage or loss of function Recommendations tips references to other documentation Essential or useful accessories Inf...
Page 3: ...gue filter 11 2 2 5 Digital filter 11 2 2 6 Security code 11 2 2 7 Min max values 11 3 Requirements for product use 12 4 Installation 13 4 1 Mechanical pneumatic installation 13 4 2 Electrical connect...
Page 4: ...SFAM 4 Festo SFAM 2017 09c English 6 Operation 26 7 Maintenance and care 26 8 Disassembly 27 9 Fault clearance 27 10 Accessories 27 11 Technical data 28...
Page 5: ...ion www festo com pk 1 1 Overview 6 SFAM 62 M 1 2 3 4 5 7 SFAM 62 T 5 6 8 6 SFAM 90 M 1 2 3 4 5 7 SFAM 90 T 5 6 8 1 Display 2 B pushbutton 3 Edit button 4 A pushbutton 5 Plug for electrical connection...
Page 6: ...nting with wall fastener Pneumatic connection G121 G N121 NPT G12 G1 N12 1 NPT G1122 G1 N1122 1 NPT Electrical output 2SA 2x PNP or NPN 1 analogue output 4 20 mA 2SV 2x PNP or NPN 1 analogue output 0...
Page 7: ...act Change in colour of display Blue function deactivated Tab 2 Factory settings 2 Function and application The SFAM is designed to monitor changes in the flow rate and air consumption air volume for...
Page 8: ...atuses of the switching outputs Out A Out B set not set INFO mode In INFO mode when air consumption measurement is active the display of input variables flow rate air consumption can be switched quick...
Page 9: ...nd Out B the switching function threshold value or window comparator can be selected independently of one another Each switching output can have the switching element function N C contact NC normally...
Page 10: ...llows the system status to be seen across large distances The following settings can be chosen r On Display is red when the switching output is High 1 Display is blue if the switching output is Low 0...
Page 11: ...o d6 maximum smoothing With increasing smoothing the switch on switch off time of the switching outputs rises In case of d Off the switching times depend only on the set filter time constant of the an...
Page 12: ...can damage the product and cause incorrect measurements and malfunctions Make sure that the specified air quality class is maintained for the operating medium Chapter 11 Technical data Note The produ...
Page 13: ...g zone for SFAM T W is located The air mass flow is taken from the opposite connection Fig 4 Minimum requirements of pneumatic connection Depending on the grid dimension the following minimum requirem...
Page 14: ...en the module connectors type MS MV with 2 screws 4 2 Electrical connection Warning Only use power sources which guarantee reliable electrical isolation of the operating voltage according to IEC DIN E...
Page 15: ...11 Technical data Tab 7 Pin allocation Circuit diagrams SFAM 2SA SFAM 2SV Tab 8 SFAM circuit diagrams 5 Commissioning 5 1 Symbols on the display Symbols Description Out A Out B Switching output A swit...
Page 16: ...illuminated Graphic display of the current measured value related to the maximum measured value of the measuring range Running light 1 segment Air consumption measurement for Out A or RECORDER mode ac...
Page 17: ...e set Press the Edit button Branch in the menu The setting last selected in the EDIT mode is indicated in the SHOW mode Tab 10 Symbols for representing the menu structure 5 3 RUN mode In the basic sta...
Page 18: ...SFAM 18 Festo SFAM 2017 09c English 5 4 INFO SHOW mode 1 INFO mode only possible when consumption measurement is active Fig 5 SHOW mode...
Page 19: ...corresponding error numbers Repeated pressing of the A pushbutton B pushbutton displays the settings of the respective switching output one after another At the end of SHOW mode the min value F Lo an...
Page 20: ...e functioning of the machine system Note that if the switching status of the outputs is modified in EDIT mode the new status will be effective immediately 1 Press the Edit button The EDIT mode is acti...
Page 21: ...h the A B pushbuttons 5 Press the Edit button to confirm the selection SP or SP Lo flashes 6 Set the switching point SP or SP Lo with the A B pushbuttons 7 Press the EDIT button to confirm the set val...
Page 22: ...n RUN mode Carry out a test run with various flow rates to ascertain whether the SFAM switches as desired 5 5 3 Set special menu SPEC This is how you reach the special menu The SFAM is in the EDIT mod...
Page 23: ...m3 scf or l can be set Set the physical unit for the air consumption ConS 11 Select the desired setting m3 scf or l with the A B pushbuttons 12 Press the Edit button to confirm the selection The curre...
Page 24: ...nts for flow rate monitoring can be programmed 1 Before teaching in EDIT mode select the desired switching function threshold value or window comparator Chapter 5 5 EDIT mode Threshold value comparato...
Page 25: ...7 First press the A pushbutton and then also the Edit button The second teach point is assumed and the switching point SP or switching points SP Lo and SP Hi become valid The SFAM is in RUN mode 5 7...
Page 26: ...is switched on the SFAM needs a warm up time of 5 minutes until it achieves the specified accuracy Reset SFAM to factory setting even if the security code cannot be found Note By resetting to factory...
Page 27: ...een exceeded at least once Specified accuracy can therefore probably not be maintained Make sure that the measuring range end value is not exceeded Outputs do not switch corresponding to the setting S...
Page 28: ...0 150 15000 Operating pressure bar 0 16 Operating pressure MPa 0 1 6 Nominal pressure bar 6 Nominal pressure MPa 0 6 Operating medium Air quality class 7 4 4 according to DIN ISO 8573 1 Nitrogen Tempe...
Page 29: ...Analogue output Characteristic curve for flow rate l min 0 1000 0 3000 0 5000 0 10000 0 15000 Output characteristic curve for current mA 4 20 Output characteristic curve for voltage V 0 10 Max load re...
Page 30: ...scf Setting range for flow rate threshold value 1 FS 100 FS Setting range for consumption impulse threshold value l 3 19999 10 19999 15 19999 30 19999 50 19999 m3 1 19999 scf 0 1 1999 9 0 4 1999 9 0...
Page 31: ...nt range the precision specifications apply in accordance with Tab 13 Dimensions SFAM 62 Manifold assembly SFAM M 1 Plug connector M12x1 according to EN 60947 5 2 2 LCD 3 Connecting cable straight soc...
Page 32: ...H1 H2 H4 H5 H6 SFAM 62 M 63 5 62 1 80 SFAM 62 TG12 G 63 5 62 1 80 26 SFAM 62 WG12 71 6 6 SFAM 62 TN12 NPT 63 5 62 1 80 26 SFAM 62 WN12 71 6 6 Tab 14 Dimension table SFAM 62 Dimensions SFAM 90 Manifol...
Page 33: ...IN 1343 1 01325 bar 101 325 kPa 0 C OFF 1 l min 0 1000 3000 5000 10000 15000 scfm 0 35 31 105 9 176 6 353 1 529 7 Standard conditions in accordance with ISO 2533 1 01325 bar 101 325 kPa 15 C 1 1 055 l...
Page 34: ...ught y x Fig 12 Range error The maximum error results from the largest full scale measured value in the example FS 1000 l min According to the specification the error is specified at 3 FS The maximum...
Page 35: ...ror results 600 l min 21 00 l min With a display of 600 l min at the sensor because of the zero point error the actual flow rate through the sensor values can have values in the range of 579 621 l min...
Page 36: ...sensor values can have values in the range 589 8 610 2 l min The total error of the sensor at 6 bar 0 6 MPa and 40 C is calculated as follows Total error precision error range precision error zero po...
Page 37: ...SFAM Festo SFAM 2017 09c English 37...
Page 38: ...zation is prohibited Offenders will be liable for damages All rights re served in the event that a patent utility model or design patent is registered Copyright Festo AG Co KG Ruiter Stra e 82 73734 E...
